46     union { float f; int32_t s; } x = { .f = _x };  in lc3_ldexpf()  local
48     if (x.s & LC3_IEEE754_EXP_MASK)  in lc3_ldexpf()
49         x.s += exp << LC3_IEEE754_EXP_SHL;  in lc3_ldexpf()
51     return x.f;  in lc3_ldexpf()
61     union { float f; uint32_t u; } x = { .f = _x };  in lc3_frexpf()  local
63     int e = (x.u & LC3_IEEE754_EXP_MASK) >> LC3_IEEE754_EXP_SHL;  in lc3_frexpf()
66     x.u = (x.u & ~LC3_IEEE754_EXP_MASK) |  in lc3_frexpf()
69     return x.f;  in lc3_frexpf()
77 static inline float lc3_exp2f(float x)  in lc3_exp2f()  argument
99     v.f = x + 0x1.8p20f;  in lc3_exp2f()
101     x -= v.f - 0x1.8p20f;  in lc3_exp2f()
109     y.f = (      p[0]) * x;  in lc3_exp2f()
110     y.f = (y.f + p[1]) * x;  in lc3_exp2f()
111     y.f = (y.f + p[2]) * x;  in lc3_exp2f()
112     y.f = (y.f + p[3]) * x;  in lc3_exp2f()
127 static inline float lc3_log2f(float x)  in lc3_log2f()  argument
137     x = lc3_frexpf(x, &e);  in lc3_log2f()
139     y = (    c[0]) * x;  in lc3_log2f()
140     y = (y + c[1]) * x;  in lc3_log2f()
141     y = (y + c[2]) * x;  in lc3_log2f()
142     y = (y + c[3]) * x;  in lc3_log2f()
155 static inline float lc3_log10f(float x)  in lc3_log10f()  argument
157     return log10f(2) * lc3_log2f(x);  in lc3_log10f()
168 static inline int32_t lc3_db_q16(float x)  in lc3_db_q16()  argument
209     union { float f; uint32_t u; } x2 = { .f = x*x };  in lc3_db_q16()